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HomeProduct name listsodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate

sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate

sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate Structural

What is sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate?

Preparation

3-Amino-4-hydroxy-5-nitrobenzenesulfonic acid diazotization, and Benzene-1,3-diamine coupling.

Properties and Applications

dark red light brown. Soluble in water for wine red to purplish red, soluble in ethanol for olive yellow brown. In concentrated sulfuric acid for orange to red light brown, dilution after golden yellow, yellow brown precipitation. Dye aqueous solution to join concentrated hydrochloric acid for golden orange; Join concentrated sodium hydroxide solution for red orange brown.

Standard Ironing Fastness Light Fastness Fulling Persperation Fastness Soaping Water
Alkali Acid
ISO 5 5 5 4 4-5 5 5

Safety information for sodium 3-[(2,4-diaminophenyl)azo]-4-hydroxy-5-nitrobenzenesulphonate

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